Objectives of knowledge management

5 
Transaction fee revenue. A company receives a fee for facilitating a transaction. Examples 
include eBay and Paypal who charge a percentage of the transaction cost between buyer 
and seller.
6 
Subscription access to content or services. A range of documents can be accessed from a 
publisher for a fixed period. These are often referred to as premium services on websites.
7 
 Pay‑ per‑ view access to documents. Here payment occurs for single access to a document, 
video or music clip which can be downloaded. It may or may not be protected with a 
password or 
digital rights management
. I pay to access detailed best‑ practice guides on 
Internet marketing from Marketing Sherpa (
www.marketingsherpa.com
).
8 
Subscriber data access for email marketing. The data a site owner has about its 
customers are also potentially valuable since it can send different forms of email to its 
customers if they have given their permission that they are happy to receive email from 
either the publisher or third parties. The site owner can charge for adverts placed in 
its newsletter or can deliver a separate message on behalf of the advertiser (sometimes 
known as ‘list rental’). A related approach is to conduct market research with the site 
customers.
CPM ( cost- per- 
thousand)
The cost to the advertiser 
(or the revenue received 
by the publisher) when an 
ad is served 1,000 times.
CPC ( cost- per- click)
The cost to the advertiser 
(or the revenue received 
by the publisher) of each 
click of a link to a third‑